Home / 786,360.65-1,179,538.98-217,739.85

Finding the Fourth Proportional to 786,360.65, 1,179,538.98 and 217,739.85

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Solution

The fourth proportional to 786,360.65, 1,179,538.98 and 217,739.85 is: 326,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,360.65 : 1,179,538.98 = 217,739.85 : x
  2. Step 2: Convert to fraction form
    786,360.65/1,179,538.98 = 217,739.85/x
  3. Step 3: Cross multiply
    786,360.65x = 1,179,538.98 × 217,739.85
  4. Step 4: Simplify right side
    786,360.65x = 256,832,640,574.35
  5. Step 5: Solve for x
    x = 256,832,640,574.35/786,360.65
  6. Step 6: Final answer
    x = 326,609.22

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.